/*全局定义*/
li{
    list-style: none;
}
a{
    text-decoration: none;
}
body{
    background: #f9f9f9;
    min-width: 1920px;
}
#iot_whole{
    margin: 0 auto;
    /*transform: translateZ(1px);*/
    width: 1920px;
}

/*最顶部欢迎*/
.iot_welcome{
    width: 1920px;
    height: 50px;
    font-size: 18px;
    color: #333333;
    background-color: #efefef;
    margin: 0 auto;
}
.iot_welcome_wrap{
    width: 1226px;
    height: 50px;
    line-height: 50px;
    margin: auto auto;
    background-color: #efefef;
}
/*次顶栏*/
.iot_top{
    width: 1920px;
    height: 35px;
    line-height: 35px;
    background: #333333;
    font-size: 13px;
    margin: 0 auto;
}
.iot_wrap{
    width: 1226px;
    margin: 0 auto;
}
.iot_wrap a{
    color: white;
}
.iot_wrap .iot_left{
    float: left;
    height: 35px;
    margin-top: 1px;
    margin-left: -39px;
}
.iot_top .iot_wrap .iot_right{
    float: right;
}
.iot_top .iot_wrap .iot_left li{
    float: left;
    height: 33px;
    margin: 0 0;
}
.iot_top .iot_wrap .iot_left li a{
    margin: 0 14px;
}
.iot_top .iot_wrap .iot_left li:hover{
    background-color: #555555;
}
.iot_top .iot_right li{
    float:left;
    height: 33px;
}
.iot_three{
    margin-top: -1px;
}
.iot_top .iot_wrap .iot_right{
    margin-top: 1px;
}
.iot_top .iot_wrap .iot_right li a{
    margin: 0 12px;
}
.iot_login a:hover{
    color: red;
}
.iot_register a:hover{
    color: red;
}
.iot_right li:hover{
    background-color: #555555;
}
.iot_three a:hover{
    background-color: #555555;
}
.iot_three{
    position: relative;
}
/*右边三个弹出框*/
#mych{
    width: 240px;
    height: 240px;
    background-color: white;
    position: absolute;
    margin-top: -1px;
    margin-left: 0;
    display: none;
}
#mychtop{
    width: 100%;
    height: 90px;
}
#mychtopleft{
    width: 90px;
    height: 90px;
    float: left;
}
#mychtopleft p{
    margin-left: 25px;
    margin-top: 10px;
    width: 60px;
    height: 60px;
}
#mychtopright{
    width: 150px;
    height: 90px;
    float: left; 
}
#mychtopright p{
    line-height: 15px;
}
#mychtopright a{
    color: blue;
    margin-left: 30px;
}
#mychtopright a:hover{
    background-color: white;
    color: black;
}
#mychdown{
    width: 100%;
    height: 150px;
}
#mychdown p{
    font-size: small;
    color: gray;
    line-height: 20px;
}
#mychdown a{
    color: gray;
}
#mychdown a:hover{
    color: red;
    background-color: white;
}
#hcyp{
    width: 152px;
    height: 0;
    background-color: white;
    position: absolute;
    margin-top: -1px;
    margin-left: -76px;
}
#shopcar{
    width: 222px;
    height: 0px;
    background-color: white;
    position: absolute;
    margin-top: -1px;
    margin-left: -152px;
    display: none;
    border: 1px solid gray;
}
.iot_right li:hover>#mych{
    height: 240px;
    z-index: 999;
    display: block;
}
.iot_right li:hover>#hcyp{
    height: 200px;
    z-index: 999;
}
.iot_right li #hcyp img{
    display: none;
}
.iot_right li:hover>#hcyp img{
    display: block;
}
.iot_right li:hover>#shopcar{
    height: 100px;
    z-index: 999;
    display: block;
}
.iot_right #shopcar p{
    display: none;
    margin-top: 25px;
    margin-left: 10px;
}
.iot_right li:hover>#shopcar p{
    display: block;
}
/*导航栏*/
.iot_nav{
    width: 100%;
    height: 78px;
    background-color: white;
}
.iot_nav .iot_nav_wrap{
    width: 1226px;
    height: 78px;
    margin: 0 auto;
    background-color: white;
}
.iot_nav .iot_nav_wrap .iot_logo{
    float: left;
}
.iot_nav_wrap .iot_nav_list li{
    float: left;
    margin-top: 28px;
    margin-left: 25px;
}
.iot_nav_list li a{
    color: #333333;
}
.iot_nav_list li a:hover{
    color: red;
}
.iot_nav_wrap .iot_search{
    float: right;
    margin-top: 19px;
}
.iot_nav_wrap #search{
    width: 200px;
    height: 37px;
    border: 2px solid #efefef;
}
/*设置icon的样式*/
.iot_search button{
    cursor: pointer;
    width: 40px;
    height: 40px;
    margin-bottom: 15px;
    border-style: none;
    background-color: #fff;
}

